SELECT 
  cscart_images.*, 
  cscart_images_links.*, 
  cscart_common_descriptions.description AS alt, 
  cscart_images.image_id AS images_image_id 
FROM 
  cscart_images_links 
  LEFT JOIN cscart_images ON cscart_images_links.image_id = cscart_images.image_id 
  LEFT JOIN cscart_common_descriptions ON cscart_common_descriptions.object_id = cscart_images.image_id 
  AND cscart_common_descriptions.object_holder = 'images' 
  AND cscart_common_descriptions.lang_code = 'en' 
WHERE 
  cscart_images_links.object_type = 'variant_image' 
  AND cscart_images_links.type = 'V' 
  AND cscart_images_links.object_id IN (
    168760, 168761, 168762, 168763, 168822, 
    168823, 168844, 168845, 168846, 168847, 
    168848, 168849, 168854, 168855, 168856, 
    168857, 168858, 168859, 168874, 168875, 
    168960, 168961, 168962, 168963, 168986, 
    168987, 168988, 168989, 168990, 168991, 
    168992, 168993, 168994, 168995, 168996, 
    168997, 168998, 168999, 169000, 169001, 
    169894, 169895, 169896, 169897, 169898, 
    169899, 170078, 170079, 170316, 170317, 
    170326, 170327, 170328, 170329, 170330, 
    170331, 170332, 170333, 170334, 170335, 
    170336, 170337, 170338, 170339, 170340, 
    170341, 170342, 170343, 170344, 170345, 
    170346, 170347, 170348, 170349, 170392, 
    170393, 170394, 170395, 170522, 170523
  ) 
ORDER BY 
  cscart_images_links.position, 
  cscart_images_links.pair_id

Query time 0.00055

Explain
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE cscart_images_links range object_id object_id 81 80 Using index condition; Using filesort
1 SIMPLE cscart_images eq_ref PRIMARY PRIMARY 4 toolboxdigitalshop_dev.cscart_images_links.image_id 1
1 SIMPLE cscart_common_descriptions eq_ref PRIMARY PRIMARY 108 toolboxdigitalshop_dev.cscart_images.image_id,const,const 1 Using where